Employee noticed that watches that causes the word $300 are being sold for $696 what is the markup percentage

Mark up = selling price -  cost price

           $ 696 -  $ 300 = 300$

Markup% =  696 - 300  / 300  * 100

               =   396 / 300 * 100

                 = 132 %

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step-by-step explanation:

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d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.